The functionalization principle and processing methods of PVC functional materials were introduced.介绍了PVC功能材料的功能化原理和加工方法.Compared to the other functional methods, post - functionalization are more widely researched and a...
Whereby shall we know her?我们靠什么认出她 呢 ?They voted to accept a deal whereby the union will receive nearly three-quarters of a million pounds from the International Miners Organisation.他们表决同意了一项协议，根据这一协议工会将从国际矿工组织得到近75万英镑。W...